HICKS, Circuit Judge.
Suit by United Shoe Machinery Corporation against the Day Wood Heel Company for infringement of patent to Russ, No. 1,536,691, dated May 5, 1925, for a "Heel Blank Breast-Shaping Machine" and of patent to Russ, No. 1,528,345, dated March 3, 1925, for "Heel and Method of Making the Same." The defenses were noninvention, anticipation, and prior use and knowledge. Claims 1, 3, 5, and 6 of patent No. 1,536,691, herein called the machine patent, and...
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